# Courier vs MailerSend

**Leader by Vioscale score:** MailerSend

| Attribute | Courier | MailerSend |
|---|---|---|
| **Vioscale score** | 64 (72% (medium)) | 69 (73% (medium)) |
| deployment.options | `{"cloud":true}` | `{"cloud":true}` |
| description.long | A messaging platform that orchestrates customer notifications across email, SMS, push, chat, and other channels through APIs, visual design tools, and automated journeys. | A service for delivering transactional emails such as invoices, password resets, and notifications through multiple integration methods, emphasizing reliable inbox delivery and straightforward developer implementation. |
| features.capabilities | `{"rcs":false,"sms":true,"chat":true,"email":true,"video":false,"voice":false,"two_way":false,"whatsapp":false,"verify_otp":false,"global_coverage":"global","deliverability_tools":true,"usage_pricing_transparent":false}` | `{"sms":true,"email":true,"two_way":true,"verify_otp":true,"global_coverage":"regional","deliverability_tools":true,"usage_pricing_transparent":true}` |
| integrations.count | 4 | 33 |
| integrations.list | `[{"name":"Amply"},{"name":"AWS SES"},{"name":"Postmark"},{"name":"Mailgun"}]` | `[{"name":"Zapier"},{"name":"Supabase"},{"name":"Firebase"},{"name":"Symfony"},{"name":"Slack"},{"name":"Laravel"},{"name":"Airbyte"},{"name":"Airtable"},{"name":"Anymail"},{"name":"ChatGPT"},{"name":"Claude"},{"name":"Courier"},{"name":"Cursor"},{"name":"Django"},{"name":"Google Cloud"},{"name":"Integrately"},{"name":"Knock"},{"name":"Magento"},{"name":"Mailster"},{"name":"Make"},{"name":"NocoDB"},{"name":"Novu"},{"name":"Pabbly Connect"},{"name":"Partnero"},{"name":"Pipedream"},{"name":"Rails"},{"name":"React Email"},{"name":"Relay.app"},{"name":"Tabular"},{"name":"VSCode"},{"name":"WHMCS"},{"name":"WooCommerce"},{"name":"WordPress"}]` |
| market.availability | - | `{"hqCountry":"US","primaryMarkets":["US","GB"],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | `{"web":true}` | `{"cli":true,"web":true}` |
| pricing | `{"type":"usage","plans":[{"free":true,"name":"Developer","summary":"Free, 10,000 sends/month","features":["10,000 sends per month","Journeys & broadcasts","MCP server, CLI, & SDKs","SSO via Google, Github","Email support"],"description":"For developers building with Courier","contactSales":false,"includedLimits":{"sends":"10,000/month"}},{"free":false,"name":"Business","summary":"$0.005 per send","features":["All Developer features","Pay-as-you-go pricing","AI Translations","AI Agent node","Email & chat support"],"components":[{"per":{"qty":1,"unit":"send"},"kind":"metered","amount":0.005,"currency":"USD"}],"description":"Pay-as-you-grow usage pricing","contactSales":false},{"free":false,"name":"Enterprise","summary":"Custom pricing with volume discounts","features":["All Business features","Volume pricing","Dedicated Slack channel","Observability integrations","Role-based access control","Enterprise SLA","EU Data Residency"],"description":"For high-volume deployments","contactSales":true}],"summary":"Free tier with 10,000 sends/month, then $0.005 per send. No per-seat or channel fees.","currency":"USD","freeTier":true,"sourceUrl":"https://www.courier.com","retrievedAt":"2026-08-03T14:25:03.299Z","startingPrice":{"amount":0.005,"period":"month","currency":"USD"},"billingPeriods":["month"]}` | `{"type":"hybrid","plans":[{"free":true,"name":"Free","summary":"Free","features":["500 emails/month","10 email verification credits","Email thread support","Drag-and-drop email editor"],"description":"For testing and occasional email sending","contactSales":false,"includedLimits":{"emails":"500/month","verification_credits":"10"}},{"free":false,"name":"Hobby","summary":"$5.60/month or $67.20/year","features":["Email and SMTP relay API","Bulk email sending","Sender identities","7 SDKs and OpenAPI","Email verification","DMARC monitoring (1 domain, 30-day trial)","3 custom email templates","User roles","Email support","Limited support via chat"],"components":[{"kind":"fixed","amount":5.6,"period":"month","currency":"USD"},{"per":{"qty":1000,"unit":"emails"},"kind":"metered","amount":1.5,"currency":"USD"}],"description":"For personal projects and side work","contactSales":false,"includedLimits":{"users":"5","emails":"5000/month","domains":"1","templates":"3","api_requests":"1000/day","data_retention":"1 day"}}],"addOns":[{"name":"Email Verification Credits"},{"name":"Domain Spaces","components":[{"kind":"one_time","amount":4,"currency":"USD"}]},{"name":"Phone Numbers","components":[{"kind":"one_time","amount":2,"currency":"USD"}]},{"name":"Data Retention Extension","components":[{"kind":"per_unit","unit":"month","amount":5,"period":"month","currency":"USD"}]},{"name":"DMARC Monitoring","components":[{"kind":"per_unit","unit":"domain","amount":2,"period":"month","currency":"USD"}]},{"name":"Dedicated IPs"}],"summary":"From $5.60/month. Free tier with 500 emails/month.","currency":"USD","freeTier":true,"sourceUrl":"https://www.mailersend.com/pricing-pt","retrievedAt":"2026-08-13T22:26:27.675Z","startingPrice":{"amount":1.5,"period":"month","currency":"USD"},"billingPeriods":["month","year"]}` |
| pricing.free_tier | yes | yes |
| pricing.model | freemium | freemium |
| pricing.price_level | low | low |
| pricing.transparent | yes | yes |
| reliability.sla_pct | - | 99.5 |
| reliability.status_page | yes | yes |
| security.disclosure_policy | yes | - |
| security.gdpr | yes | yes |
| security.hipaa | yes | - |
| security.iso27001 | - | yes |
| security.pci | yes | yes |
| security.soc2 | yes | - |

## Capabilities (Communication APIs)

| Capability | Courier | MailerSend |
|---|:--:|:--:|
| **Channels** |  |  |
| SMS | ✓ | ✓ |
| Voice | ✗ | - |
| WhatsApp | ✗ | - |
| RCS | ✗ | - |
| Transactional email | ✓ | ✓ |
| Video / real-time | ✗ | - |
| In-app chat | ✓ | - |
| Verify / OTP / 2FA | ✗ | ✓ |
| **Messaging** |  |  |
| Two-way messaging | ✗ | ✓ |
| **Reach** |  |  |
| Geographic coverage | Global | Regional |
| **Delivery** |  |  |
| Email deliverability tools | ✓ | ✓ |
| **Commercial** |  |  |
| Published per-unit pricing | ✗ | ✓ |

*Source: Vioscale. Generated 2026-09-01T15:18:31.140Z. "-" = undocumented, not absent.*